♻️ Restructure: Move Astro to repository root

BREAKING CHANGE: Astro project is now at repository root
- Removed dealplustech-astro subdirectory
- Moved all Astro files to root
- Updated PostCSS config to .cjs
- Removed old Next.js files

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✅ Ready for Easypanel deployment (no root dir needed)

Migration path:
- Old structure: /dealplustech-astro/
- New structure: / (root)

dealplustech-astro/node_modules/property-information/lib/util/info.d.ts

@@ -1,28 +0,0 @@
-/**
- * @import {Info as InfoType} from 'property-information'
- */
-/** @type {InfoType} */
-export class Info {
-    /**
-     * @param {string} property
-     *   Property.
-     * @param {string} attribute
-     *   Attribute.
-     * @returns
-     *   Info.
-     */
-    constructor(property: string, attribute: string);
-    attribute: string;
-    property: string;
-    booleanish: boolean;
-    boolean: boolean;
-    commaOrSpaceSeparated: boolean;
-    commaSeparated: boolean;
-    defined: boolean;
-    mustUseProperty: boolean;
-    number: boolean;
-    overloadedBoolean: boolean;
-    spaceSeparated: boolean;
-    space: import("property-information").Space | undefined;
-}
-//# sourceMappingURL=info.d.ts.map